Home / 7,417.20-10,244.52-5,646

Finding the Fourth Proportional to 7,417.20, 10,244.52 and 5,646

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Solution

The fourth proportional to 7,417.20, 10,244.52 and 5,646 is: 7,798.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.20 : 10,244.52 = 5,646 : x
  2. Step 2: Convert to fraction form
    7,417.20/10,244.52 = 5,646/x
  3. Step 3: Cross multiply
    7,417.20x = 10,244.52 × 5,646
  4. Step 4: Simplify right side
    7,417.20x = 57,840,559.92
  5. Step 5: Solve for x
    x = 57,840,559.92/7,417.20
  6. Step 6: Final answer
    x = 7,798.17

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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.