Home / 5,045.40-7,555.14-4,897.58

Finding the Fourth Proportional to 5,045.40, 7,555.14 and 4,897.58

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Solution

The fourth proportional to 5,045.40, 7,555.14 and 4,897.58 is: 7,333.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.40 : 7,555.14 = 4,897.58 : x
  2. Step 2: Convert to fraction form
    5,045.40/7,555.14 = 4,897.58/x
  3. Step 3: Cross multiply
    5,045.40x = 7,555.14 × 4,897.58
  4. Step 4: Simplify right side
    5,045.40x = 37,001,864.79
  5. Step 5: Solve for x
    x = 37,001,864.79/5,045.40
  6. Step 6: Final answer
    x = 7,333.78

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1.5x scale

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.