Home / 4,088.69-5,642.42-2,225.69

Finding the Fourth Proportional to 4,088.69, 5,642.42 and 2,225.69

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Solution

The fourth proportional to 4,088.69, 5,642.42 and 2,225.69 is: 3,071.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.69 : 5,642.42 = 2,225.69 : x
  2. Step 2: Convert to fraction form
    4,088.69/5,642.42 = 2,225.69/x
  3. Step 3: Cross multiply
    4,088.69x = 5,642.42 × 2,225.69
  4. Step 4: Simplify right side
    4,088.69x = 12,558,277.77
  5. Step 5: Solve for x
    x = 12,558,277.77/4,088.69
  6. Step 6: Final answer
    x = 3,071.47

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Half scale
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Double scale
Find fourth proportional to 4,089.69, 5,643.80 and 2,226.69
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.