Home / 7,970.10-10,998.31-4,385.01

Finding the Fourth Proportional to 7,970.10, 10,998.31 and 4,385.01

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Solution

The fourth proportional to 7,970.10, 10,998.31 and 4,385.01 is: 6,051.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970.10 : 10,998.31 = 4,385.01 : x
  2. Step 2: Convert to fraction form
    7,970.10/10,998.31 = 4,385.01/x
  3. Step 3: Cross multiply
    7,970.10x = 10,998.31 × 4,385.01
  4. Step 4: Simplify right side
    7,970.10x = 48,227,699.33
  5. Step 5: Solve for x
    x = 48,227,699.33/7,970.10
  6. Step 6: Final answer
    x = 6,051.08

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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.