Home / 5,117.99-7,677.26-1,655.51

Finding the Fourth Proportional to 5,117.99, 7,677.26 and 1,655.51

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Solution

The fourth proportional to 5,117.99, 7,677.26 and 1,655.51 is: 2,483.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.99 : 7,677.26 = 1,655.51 : x
  2. Step 2: Convert to fraction form
    5,117.99/7,677.26 = 1,655.51/x
  3. Step 3: Cross multiply
    5,117.99x = 7,677.26 × 1,655.51
  4. Step 4: Simplify right side
    5,117.99x = 12,709,780.70
  5. Step 5: Solve for x
    x = 12,709,780.70/5,117.99
  6. Step 6: Final answer
    x = 2,483.35

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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.