Home / 6,775.40-9,345.03-4,783.88

Finding the Fourth Proportional to 6,775.40, 9,345.03 and 4,783.88

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Solution

The fourth proportional to 6,775.40, 9,345.03 and 4,783.88 is: 6,598.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,775.40 : 9,345.03 = 4,783.88 : x
  2. Step 2: Convert to fraction form
    6,775.40/9,345.03 = 4,783.88/x
  3. Step 3: Cross multiply
    6,775.40x = 9,345.03 × 4,783.88
  4. Step 4: Simplify right side
    6,775.40x = 44,705,502.12
  5. Step 5: Solve for x
    x = 44,705,502.12/6,775.40
  6. Step 6: Final answer
    x = 6,598.21

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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.