Home / 3,035.12-4,547.16-2,108.72

Finding the Fourth Proportional to 3,035.12, 4,547.16 and 2,108.72

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Solution

The fourth proportional to 3,035.12, 4,547.16 and 2,108.72 is: 3,159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.12 : 4,547.16 = 2,108.72 : x
  2. Step 2: Convert to fraction form
    3,035.12/4,547.16 = 2,108.72/x
  3. Step 3: Cross multiply
    3,035.12x = 4,547.16 × 2,108.72
  4. Step 4: Simplify right side
    3,035.12x = 9,588,687.24
  5. Step 5: Solve for x
    x = 9,588,687.24/3,035.12
  6. Step 6: Final answer
    x = 3,159.24

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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.