Home / 3,117.72-4,675.65-1,037.19

Finding the Fourth Proportional to 3,117.72, 4,675.65 and 1,037.19

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Solution

The fourth proportional to 3,117.72, 4,675.65 and 1,037.19 is: 1,555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.72 : 4,675.65 = 1,037.19 : x
  2. Step 2: Convert to fraction form
    3,117.72/4,675.65 = 1,037.19/x
  3. Step 3: Cross multiply
    3,117.72x = 4,675.65 × 1,037.19
  4. Step 4: Simplify right side
    3,117.72x = 4,849,537.42
  5. Step 5: Solve for x
    x = 4,849,537.42/3,117.72
  6. Step 6: Final answer
    x = 1,555.48

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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.