Home / 5,036.90-7,547.64-2,113.61

Finding the Fourth Proportional to 5,036.90, 7,547.64 and 2,113.61

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Solution

The fourth proportional to 5,036.90, 7,547.64 and 2,113.61 is: 3,167.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,036.90 : 7,547.64 = 2,113.61 : x
  2. Step 2: Convert to fraction form
    5,036.90/7,547.64 = 2,113.61/x
  3. Step 3: Cross multiply
    5,036.90x = 7,547.64 × 2,113.61
  4. Step 4: Simplify right side
    5,036.90x = 15,952,729.64
  5. Step 5: Solve for x
    x = 15,952,729.64/5,036.90
  6. Step 6: Final answer
    x = 3,167.18

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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.