Home / 2,417.12-3,335.20-1,409.04

Finding the Fourth Proportional to 2,417.12, 3,335.20 and 1,409.04

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Solution

The fourth proportional to 2,417.12, 3,335.20 and 1,409.04 is: 1,944.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.12 : 3,335.20 = 1,409.04 : x
  2. Step 2: Convert to fraction form
    2,417.12/3,335.20 = 1,409.04/x
  3. Step 3: Cross multiply
    2,417.12x = 3,335.20 × 1,409.04
  4. Step 4: Simplify right side
    2,417.12x = 4,699,430.21
  5. Step 5: Solve for x
    x = 4,699,430.21/2,417.12
  6. Step 6: Final answer
    x = 1,944.23

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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.