Home / 4,658.19-6,988.72-1,615.53

Finding the Fourth Proportional to 4,658.19, 6,988.72 and 1,615.53

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Solution

The fourth proportional to 4,658.19, 6,988.72 and 1,615.53 is: 2,423.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.19 : 6,988.72 = 1,615.53 : x
  2. Step 2: Convert to fraction form
    4,658.19/6,988.72 = 1,615.53/x
  3. Step 3: Cross multiply
    4,658.19x = 6,988.72 × 1,615.53
  4. Step 4: Simplify right side
    4,658.19x = 11,290,472.71
  5. Step 5: Solve for x
    x = 11,290,472.71/4,658.19
  6. Step 6: Final answer
    x = 2,423.79

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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.