Home / 4,088.50-5,642.13-2,225.50

Finding the Fourth Proportional to 4,088.50, 5,642.13 and 2,225.50

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Solution

The fourth proportional to 4,088.50, 5,642.13 and 2,225.50 is: 3,071.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.50 : 5,642.13 = 2,225.50 : x
  2. Step 2: Convert to fraction form
    4,088.50/5,642.13 = 2,225.50/x
  3. Step 3: Cross multiply
    4,088.50x = 5,642.13 × 2,225.50
  4. Step 4: Simplify right side
    4,088.50x = 12,556,560.32
  5. Step 5: Solve for x
    x = 12,556,560.32/4,088.50
  6. Step 6: Final answer
    x = 3,071.19

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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.