Home / 4,830.36-6,666.32-2,705.86

Finding the Fourth Proportional to 4,830.36, 6,666.32 and 2,705.86

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Solution

The fourth proportional to 4,830.36, 6,666.32 and 2,705.86 is: 3,734.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.36 : 6,666.32 = 2,705.86 : x
  2. Step 2: Convert to fraction form
    4,830.36/6,666.32 = 2,705.86/x
  3. Step 3: Cross multiply
    4,830.36x = 6,666.32 × 2,705.86
  4. Step 4: Simplify right side
    4,830.36x = 18,038,128.64
  5. Step 5: Solve for x
    x = 18,038,128.64/4,830.36
  6. Step 6: Final answer
    x = 3,734.32

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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.