Home / 3,135.04-4,316.48-2,386.60

Finding the Fourth Proportional to 3,135.04, 4,316.48 and 2,386.60

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Solution

The fourth proportional to 3,135.04, 4,316.48 and 2,386.60 is: 3,285.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.04 : 4,316.48 = 2,386.60 : x
  2. Step 2: Convert to fraction form
    3,135.04/4,316.48 = 2,386.60/x
  3. Step 3: Cross multiply
    3,135.04x = 4,316.48 × 2,386.60
  4. Step 4: Simplify right side
    3,135.04x = 10,301,711.17
  5. Step 5: Solve for x
    x = 10,301,711.17/3,135.04
  6. Step 6: Final answer
    x = 3,285.99

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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.