Home / 4,130.18-5,701.65-3,127.58

Finding the Fourth Proportional to 4,130.18, 5,701.65 and 3,127.58

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Solution

The fourth proportional to 4,130.18, 5,701.65 and 3,127.58 is: 4,317.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.18 : 5,701.65 = 3,127.58 : x
  2. Step 2: Convert to fraction form
    4,130.18/5,701.65 = 3,127.58/x
  3. Step 3: Cross multiply
    4,130.18x = 5,701.65 × 3,127.58
  4. Step 4: Simplify right side
    4,130.18x = 17,832,366.51
  5. Step 5: Solve for x
    x = 17,832,366.51/4,130.18
  6. Step 6: Final answer
    x = 4,317.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.