Home / 4,878.64-6,735.60-3,386.08

Finding the Fourth Proportional to 4,878.64, 6,735.60 and 3,386.08

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Solution

The fourth proportional to 4,878.64, 6,735.60 and 3,386.08 is: 4,674.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.64 : 6,735.60 = 3,386.08 : x
  2. Step 2: Convert to fraction form
    4,878.64/6,735.60 = 3,386.08/x
  3. Step 3: Cross multiply
    4,878.64x = 6,735.60 × 3,386.08
  4. Step 4: Simplify right side
    4,878.64x = 22,807,280.45
  5. Step 5: Solve for x
    x = 22,807,280.45/4,878.64
  6. Step 6: Final answer
    x = 4,674.93

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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.