Home / 2,384.03-3,574.71-740.13

Finding the Fourth Proportional to 2,384.03, 3,574.71 and 740.13

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Solution

The fourth proportional to 2,384.03, 3,574.71 and 740.13 is: 1,109.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,384.03 : 3,574.71 = 740.13 : x
  2. Step 2: Convert to fraction form
    2,384.03/3,574.71 = 740.13/x
  3. Step 3: Cross multiply
    2,384.03x = 3,574.71 × 740.13
  4. Step 4: Simplify right side
    2,384.03x = 2,645,750.11
  5. Step 5: Solve for x
    x = 2,645,750.11/2,384.03
  6. Step 6: Final answer
    x = 1,109.78

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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.