Home / 2,937.20-4,053.04-1,888.48

Finding the Fourth Proportional to 2,937.20, 4,053.04 and 1,888.48

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Solution

The fourth proportional to 2,937.20, 4,053.04 and 1,888.48 is: 2,605.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.20 : 4,053.04 = 1,888.48 : x
  2. Step 2: Convert to fraction form
    2,937.20/4,053.04 = 1,888.48/x
  3. Step 3: Cross multiply
    2,937.20x = 4,053.04 × 1,888.48
  4. Step 4: Simplify right side
    2,937.20x = 7,654,084.98
  5. Step 5: Solve for x
    x = 7,654,084.98/2,937.20
  6. Step 6: Final answer
    x = 2,605.91

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1.5x scale

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.