Home / 2,953.03-4,070.73-2,428.15

Finding the Fourth Proportional to 2,953.03, 4,070.73 and 2,428.15

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Solution

The fourth proportional to 2,953.03, 4,070.73 and 2,428.15 is: 3,347.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.03 : 4,070.73 = 2,428.15 : x
  2. Step 2: Convert to fraction form
    2,953.03/4,070.73 = 2,428.15/x
  3. Step 3: Cross multiply
    2,953.03x = 4,070.73 × 2,428.15
  4. Step 4: Simplify right side
    2,953.03x = 9,884,343.05
  5. Step 5: Solve for x
    x = 9,884,343.05/2,953.03
  6. Step 6: Final answer
    x = 3,347.19

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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.