Home / 3,070.05-4,236.64-1,875.03

Finding the Fourth Proportional to 3,070.05, 4,236.64 and 1,875.03

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Solution

The fourth proportional to 3,070.05, 4,236.64 and 1,875.03 is: 2,587.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.05 : 4,236.64 = 1,875.03 : x
  2. Step 2: Convert to fraction form
    3,070.05/4,236.64 = 1,875.03/x
  3. Step 3: Cross multiply
    3,070.05x = 4,236.64 × 1,875.03
  4. Step 4: Simplify right side
    3,070.05x = 7,943,827.10
  5. Step 5: Solve for x
    x = 7,943,827.10/3,070.05
  6. Step 6: Final answer
    x = 2,587.52

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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.