Home / 2,547.13-3,520.92-2,125.02

Finding the Fourth Proportional to 2,547.13, 3,520.92 and 2,125.02

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Solution

The fourth proportional to 2,547.13, 3,520.92 and 2,125.02 is: 2,937.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547.13 : 3,520.92 = 2,125.02 : x
  2. Step 2: Convert to fraction form
    2,547.13/3,520.92 = 2,125.02/x
  3. Step 3: Cross multiply
    2,547.13x = 3,520.92 × 2,125.02
  4. Step 4: Simplify right side
    2,547.13x = 7,482,025.42
  5. Step 5: Solve for x
    x = 7,482,025.42/2,547.13
  6. Step 6: Final answer
    x = 2,937.44

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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.