Home / 7,877.04-10,870.34-4,292.02

Finding the Fourth Proportional to 7,877.04, 10,870.34 and 4,292.02

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Solution

The fourth proportional to 7,877.04, 10,870.34 and 4,292.02 is: 5,923.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877.04 : 10,870.34 = 4,292.02 : x
  2. Step 2: Convert to fraction form
    7,877.04/10,870.34 = 4,292.02/x
  3. Step 3: Cross multiply
    7,877.04x = 10,870.34 × 4,292.02
  4. Step 4: Simplify right side
    7,877.04x = 46,655,708.81
  5. Step 5: Solve for x
    x = 46,655,708.81/7,877.04
  6. Step 6: Final answer
    x = 5,923.00

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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.