Home / 4,425.35-6,642.12-2,235.62

Finding the Fourth Proportional to 4,425.35, 6,642.12 and 2,235.62

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Solution

The fourth proportional to 4,425.35, 6,642.12 and 2,235.62 is: 3,355.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,425.35 : 6,642.12 = 2,235.62 : x
  2. Step 2: Convert to fraction form
    4,425.35/6,642.12 = 2,235.62/x
  3. Step 3: Cross multiply
    4,425.35x = 6,642.12 × 2,235.62
  4. Step 4: Simplify right side
    4,425.35x = 14,849,223.10
  5. Step 5: Solve for x
    x = 14,849,223.10/4,425.35
  6. Step 6: Final answer
    x = 3,355.50

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Double scale
Find fourth proportional to 4,426.35, 6,643.62 and 2,236.62
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.