Home / 5,695.40-8,547.90-2,776.20

Finding the Fourth Proportional to 5,695.40, 8,547.90 and 2,776.20

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Solution

The fourth proportional to 5,695.40, 8,547.90 and 2,776.20 is: 4,166.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695.40 : 8,547.90 = 2,776.20 : x
  2. Step 2: Convert to fraction form
    5,695.40/8,547.90 = 2,776.20/x
  3. Step 3: Cross multiply
    5,695.40x = 8,547.90 × 2,776.20
  4. Step 4: Simplify right side
    5,695.40x = 23,730,679.98
  5. Step 5: Solve for x
    x = 23,730,679.98/5,695.40
  6. Step 6: Final answer
    x = 4,166.64

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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.