Home / 6,254.13-9,378.90-1,870.11

Finding the Fourth Proportional to 6,254.13, 9,378.90 and 1,870.11

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Solution

The fourth proportional to 6,254.13, 9,378.90 and 1,870.11 is: 2,804.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,254.13 : 9,378.90 = 1,870.11 : x
  2. Step 2: Convert to fraction form
    6,254.13/9,378.90 = 1,870.11/x
  3. Step 3: Cross multiply
    6,254.13x = 9,378.90 × 1,870.11
  4. Step 4: Simplify right side
    6,254.13x = 17,539,574.68
  5. Step 5: Solve for x
    x = 17,539,574.68/6,254.13
  6. Step 6: Final answer
    x = 2,804.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.