Home / 2,415.32-3,333.20-1,471.16

Finding the Fourth Proportional to 2,415.32, 3,333.20 and 1,471.16

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Solution

The fourth proportional to 2,415.32, 3,333.20 and 1,471.16 is: 2,030.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.32 : 3,333.20 = 1,471.16 : x
  2. Step 2: Convert to fraction form
    2,415.32/3,333.20 = 1,471.16/x
  3. Step 3: Cross multiply
    2,415.32x = 3,333.20 × 1,471.16
  4. Step 4: Simplify right side
    2,415.32x = 4,903,679.76
  5. Step 5: Solve for x
    x = 4,903,679.76/2,415.32
  6. Step 6: Final answer
    x = 2,030.24

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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.