Home / 5,094.40-7,030.16-2,856.40

Finding the Fourth Proportional to 5,094.40, 7,030.16 and 2,856.40

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Solution

The fourth proportional to 5,094.40, 7,030.16 and 2,856.40 is: 3,941.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,094.40 : 7,030.16 = 2,856.40 : x
  2. Step 2: Convert to fraction form
    5,094.40/7,030.16 = 2,856.40/x
  3. Step 3: Cross multiply
    5,094.40x = 7,030.16 × 2,856.40
  4. Step 4: Simplify right side
    5,094.40x = 20,080,949.02
  5. Step 5: Solve for x
    x = 20,080,949.02/5,094.40
  6. Step 6: Final answer
    x = 3,941.77

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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.