Home / 2,475.90-3,710.61-1,013.40

Finding the Fourth Proportional to 2,475.90, 3,710.61 and 1,013.40

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Solution

The fourth proportional to 2,475.90, 3,710.61 and 1,013.40 is: 1,518.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.90 : 3,710.61 = 1,013.40 : x
  2. Step 2: Convert to fraction form
    2,475.90/3,710.61 = 1,013.40/x
  3. Step 3: Cross multiply
    2,475.90x = 3,710.61 × 1,013.40
  4. Step 4: Simplify right side
    2,475.90x = 3,760,332.17
  5. Step 5: Solve for x
    x = 3,760,332.17/2,475.90
  6. Step 6: Final answer
    x = 1,518.77

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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.