Home / 2,929.28-4,041.12-1,749.76

Finding the Fourth Proportional to 2,929.28, 4,041.12 and 1,749.76

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Solution

The fourth proportional to 2,929.28, 4,041.12 and 1,749.76 is: 2,413.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.28 : 4,041.12 = 1,749.76 : x
  2. Step 2: Convert to fraction form
    2,929.28/4,041.12 = 1,749.76/x
  3. Step 3: Cross multiply
    2,929.28x = 4,041.12 × 1,749.76
  4. Step 4: Simplify right side
    2,929.28x = 7,070,990.13
  5. Step 5: Solve for x
    x = 7,070,990.13/2,929.28
  6. Step 6: Final answer
    x = 2,413.90

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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.