Home / 3,856.13-5,779.10-1,746.18

Finding the Fourth Proportional to 3,856.13, 5,779.10 and 1,746.18

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Solution

The fourth proportional to 3,856.13, 5,779.10 and 1,746.18 is: 2,616.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856.13 : 5,779.10 = 1,746.18 : x
  2. Step 2: Convert to fraction form
    3,856.13/5,779.10 = 1,746.18/x
  3. Step 3: Cross multiply
    3,856.13x = 5,779.10 × 1,746.18
  4. Step 4: Simplify right side
    3,856.13x = 10,091,340.11
  5. Step 5: Solve for x
    x = 10,091,340.11/3,856.13
  6. Step 6: Final answer
    x = 2,616.96

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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.