Home / 3,127.48-4,316.00-1,801.10

Finding the Fourth Proportional to 3,127.48, 4,316.00 and 1,801.10

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Solution

The fourth proportional to 3,127.48, 4,316.00 and 1,801.10 is: 2,485.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.48 : 4,316.00 = 1,801.10 : x
  2. Step 2: Convert to fraction form
    3,127.48/4,316.00 = 1,801.10/x
  3. Step 3: Cross multiply
    3,127.48x = 4,316.00 × 1,801.10
  4. Step 4: Simplify right side
    3,127.48x = 7,773,549.38
  5. Step 5: Solve for x
    x = 7,773,549.38/3,127.48
  6. Step 6: Final answer
    x = 2,485.57

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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.